TFE731-20 Proven Turbofan Propulsion Technolo gy IMPRO VED PERFORMANCE. INCREASED RELIABILITY . LOWER TO T AL COST OF OWNERSHIP.
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TFE731-20
Proven TurbofanPropulsion Technology
IMPROVED PERFORMANCE. INCREASED RELIABILITY.LOWER TOTAL COST OF OWNERSHIP.
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4,500
4,000
3,500
3,000
2,500
T A K E O F F T
H R U S T ,
L B S ( S L S )
50 60 70 80 90 100 110 120
AMBIENT TEMPERATURE, F
NORMAL TAKEOFF
APR TAKEOFF
THERMODYNAMICTAKEOFF
4,000
3,500
3,000
2,500
2,000
1,500
1,000
500
T H
R U S T , L B S
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
AIRSPEED, MACH NUMBER
MAX CRUISE20,000 FT.STD. DAY
MAX CRUISE30,000 FT.STD. DAY
MAX CRUISE40,000 FT.STD. DAY
2,000
1,800
1,600
1,400
1,200
1,000
800
600
400
F U E L F L O W
( W F =
L B S / H R )
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
AIRSPEED, MACH NUMBER
MAX CRUISE20,000 FT.STD. DAY
MAX CRUISE30,000 FT.STD. DAY
MAX CRUISE40,000 FT.STD. DAY
N61-0455-000-000
May 2006
© 2006 Honeywell International Inc.
The TFE731-20 is designed to meet operator requirements for lower operating costs,
increased performance and improved durability/reliability and maintainability. In addi-
tion to improved core and LP spool component technologies, the TFE731-20 includes
70 individual design and material enhancements. A new N1 Digital Electronic Engine
Control (DEEC) with hydromechanical back-up, integral sync, and APR is also a stan-
dard feature.
TFE731-20
Find out more
To find out more about Honeywell’s
TFE731 family of engines please visit us
online at www.honeywell.com/TFE731.
Honeywell Aerospace
1944 E. Sky Harbor Circle
Phoenix, AZ 85034
Domestic: 1.800.601.365.3099
International: 1.602.365.3099
www.honeywell.com
Performance
Design Data
Pressure Ratio: Fan: 1.72 Cycle 21
Basic Engine Weight: 895 lb
Bypass Ratio: 3.1
Bleed Air Flow: 10% Core Flow (max)
Airflow: 146 lbs/sec
Service Ceiling: 51,000 ft
Airstart: 35,000 ft
Starting: Electric
Accessory Power Extraction: 45 hp(max)
Net Thrust TSFC
Thermodynamic, Sea Level, Static, ISA 4400 lb 0.433
Takeoff, Sea Level, Static (Available to 87° F) 3650 lb 0.441
Max Cruise, 40,000 ft, Mach 0.8 (ISA) 870 lb 0.719